Question 10
Mr. Zack is trying to cut a long log of wood into small pieces. After every cut, he takes a fifteen-second break. It takes him a total of 11 minutes to cut that log of wood into 10 pieces. How long (in minutes) would it take him to cut that log of wood into 18 pieces?
Editorial grading convention: cuts take equal time, and elapsed time ends at the final cut, before any subsequent rest.
Editorial grading convention: cuts take equal time, and elapsed time ends at the final cut, before any subsequent rest.